314478785017 has 2 divisors, whose sum is σ = 314478785018. Its totient is φ = 314478785016.

The previous prime is 314478785011. The next prime is 314478785039. The reversal of 314478785017 is 710587874413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308259254521 + 6219530496 = 555211^2 + 78864^2 .

It is a cyclic number.

It is not a de Polignac number, because 314478785017 - 2³ = 314478785009 is a prime.

It is not a weakly prime, because it can be changed into another prime (314478785011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157239392508 + 157239392509.

It is an arithmetic number, because the mean of its divisors is an integer number (157239392509).

Almost surely, 2^314478785017 is an apocalyptic number.

It is an amenable number.

314478785017 is a deficient number, since it is larger than the sum of its proper divisors (1).

314478785017 is an equidigital number, since it uses as much as digits as its factorization.

314478785017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 314478785017 in words is "three hundred fourteen billion, four hundred seventy-eight million, seven hundred eighty-five thousand, seventeen".